Respuesta :
Iron (Fe), sodium (Na), cadmium (Cd), zinc (Zn), potassium (K), uranium (U), plutonium (Pu), titanium (Ti), Germanium (Ge), Sulfur (S), oxygen (O), nitrogen (N), hydrogen (H), helium (He), carbon (C), fluorine (F), Aluminum (Al), argon (Ar), Barium (Ba), phosphorus (P)
Answer:
Explanation:
Hydrogen is a nonmetallic, colorless gas under ordinary conditions. It becomes an alkali metal under extreme pressure.
Atomic Number: 1
Symbol: H
Atomic Mass: 1.008
Electron Configuration: 1s1
Group: group 1, s-block, nonmetal
Helium is a light, colorless gas that forms a colorless liquid.
Atomic Number: 2
Symbol: He
Atomic Mass: 4.002602(2)
Electron Configuration: 1s2
Group: group 18, s-block, noble gas
Lithium is a reactive silver metal.
Atomic Number: 3
Symbol: Li
Atomic Mass: 6.94 (6.938–6.997)
Electron Configuration: [He] 2s1
Group: group 1, s-block, alkali metal
Beryllium is a shiny gray-white metal.
Atomic Number: 4
Symbol: Be
Atomic Mass: 9.0121831(5)
Electron Configuration: [He] 2s2
Group: group 2, s-block, alkaline earth metal
Boron is a gray solid with a metallic luster.
Atomic Number: 5
Symbol: B
Atomic Mass: 10.81 (10.806–10.821)
Electron Configuration: [He] 2s2 2p1
Group: group 13, p-block, metalloid
Carbon takes several forms. It's usually a gray or black solid, although diamonds may be colorless.
Atomic Number: 6
Symbol: C
Atomic Mass: 12.011 (12.0096–12.0116)
Electron Configuration: [He] 2s2 2p2
Group: group 14, p-block, usually a nonmetal although sometimes considered a metalloid
Nitrogen is a colorless gas under ordinary conditions. It cools to form a colorless liquid and solid forms.
Atomic Number: 7
Symbol: N
Atomic Mass: 14.007
Electron Configuration: [He] 2s2 2p3
Group: group 15 (pnictogens), p-block, nonmetal
Oxygen is a colorless gas. Its liquid is blue. Solid oxygen may be any of several colors, including red, black, and metallic.
Atomic Number: 8
Symbol: O
Atomic Mass: 15.999 or 16.00
Electron Configuration: [He] 2s2 2p4
Group: group 16 (chalcogens), p-block, nonmetal
Fluorine is a pale yellow gas and liquid and bright yellow solid. The solid may be either opaque or translucent.
Atomic Number: 9
Symbol: F
Atomic Mass: 18.998403163(6)
Electron Configuration: [He] 2s2 2p5
Group: group 17, p-block, halogen
Neon is a colorless gas that emits a characteristic orange-red glow when excited in an electric field.
Atomic Number: 10
Symbol: Ne
Atomic Mass: 20.1797(6)
Electron Configuration: [He] 2s2 2p6
Group: group 18, p-block, noble gas
Sodium is a soft, silvery-white metal.
Atomic Number: 11
Symbol: Na
Atomic Mass: 22.98976928(2)
Electron Configuration: [Ne] 3s1
Group: group 1, s-block, alkali metal
Magnesium is a shiny gray metal.
Atomic Number: 12
Symbol: Mg
Atomic Mass: 24.305
Electron Configuration: [Ne] 3s2
Group: group 2, s-block, alkaline earth metal
Aluminum is a soft, silver-colored, nonmagnetic metal.
Atomic Number: 13
Symbol: Al
Atomic Mass: 26.9815385(7)
Electron Configuration: [Ne] 3s2 3p1
Group: group 13, p-block, considered a post-transition metal or sometimes a metalloid
Silicon is a hard, blue-gray crystalline solid that has a metallic luster.
Atomic Number: 14
Symbol: Si
Atomic Mass: 28.085
Electron Configuration: [Ne] 3s2 3p2
Group: group 14 (carbon group), p-block, metalloid
Phosphorus is a solid under ordinary conditions, but it takes several forms. The most common are white phosphorus and red phosphorus.
Atomic Number: 15
Symbol: P
Atomic Mass: 30.973761998(5)
Electron Configuration: [Ne] 3s2 3p3
Group: group 15 (pnictogens), p-block, usually considered a nonmetal, but sometimes a metalloid
Sulfur is a yellow solid.
Atomic Number: 16
Symbol: S
Atomic Mass: 32.06
Electron Configuration: [Ne] 3s2 3p4
Group: group 16 (chalcogens), p-block, nonmetal
Chlorine is a pale yellow-green gas under ordinary conditions. Its liquid form is bright yellow.
Atomic Number: 17
Symbol: Cl
Atomic Mass: 35.45
Electron Configuration: [Ne] 3s2 3p5
Group: group 17, p-block, halogen
Argon is a colorless gas, liquid, and solid. It emits a bright lilac-purple glow when excited in an electric field.
Atomic Number: 18
Symbol: Ar
Atomic Mass: 39.948(1)
Electron Configuration: [Ne] 3s2 3p6
Group: group 18, p-block, noble gas
Potassium is a reactive, silvery metal.
Atomic Number: 19
Symbol: K
Atomic Mass: 39.0983(1)
Electron Configuration: [Ar] 4s1
Group: group 1, s-block, alkali metal
Calcium is a dull silver metal with a faint yellowish cast.
Atomic Number: 20
Symbol: Ca
Atomic Mass: 40.078(4)
Electron Configuration: [Ar] 4s2
Group: group 2, s-block, alkaline earth metal
Hope That Helps!
Brainliest?
(the other person copied it from Google).
